(19)

(11)

EP 2 961 325 A2

(12)

(88) Date of publication A3: 08.01.2015 (43) Date of publication: 06.01.2016 Bulletin 2016/01 (21) Application number: 14711645.3 (22) Date of filing: 26.02.2014

(51) International Patent Classification (IPC):  A61B 8/13(2006.01) G02B 27/01(2006.01) A61B 8/00(2006.01) (86) International application number: PCT/US2014/018696 (87) International publication number: WO 2014/134175 (04.09.2014 Gazette 2014/36)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 26.02.2013 US 201361769685 P 27.02.2013 US 201361770302 P (71) Applicant: Butterfly Network Inc. Guilford, CT 06437 (US)	(72) Inventors: ROTHBERG, Jonathan, M. Guilford, CT 06437 (US) RALSTON, Tyler, S. Clinton, CT 06413 (US) CHARVAT, Gregory, L. Westbrook, CT 06498 (US) SANCHEZ, Nevada, J. Branford, CT 06405 (US) MAGARY, Alexander Andover, MA 01810 (US) (74) Representative: Hoffmann Eitle  Patent- und Rechtsanwälte PartmbB Arabellastraße 30 81925 München 81925 München (DE)